A total of 10 toys are sequentially and randomly chosen, without replacement from a toy box containing 4 red toys and 6 blue toys. What is the probability that the first two toys chosen are blue?

Q: normally distributed with a mean of 15.2 ounces. You find that 1.5% of boxes weigh more than the…

A: You're a production engineer at Norman's fourth-largest cracker factory, and you've set the upper…

Q: Vehicle speed on a particular bridge in China can be modeled as normally distributed. USE SALT (a)…

A: If 5% of all vehicles travel less than 39.15 m/h and 10% travel more than 73.23 m/h.

Q: Has to be a simplified fraction

A: a)The given table shows the number of video games sold worldwide for the five​ highest-selling video…

Q: suppose that two fair dice are tossed repeatedly and the sum of the two uppermost faces in…

A: Two fair dice are tossed=6×6=36

Q: Let the sample space S be the triangle with corners (0,0), (1,0), (0,1) with a uniform probability…

A: Note: “Since you have posted a question with multiple sub parts, we will provide the solution only…

Q: The shelf life in hours of a product is a random variable T that has CDF function F(t) = 1-e-0.2t,…

A: 9) Given CDF of T is,F(t) = 1 - e-0.2t , Using formula,

Q: What's the probability that one of each branch of the military mentioned above won the prizes b.)…

A: At a recent graduation at a naval flight school, 18 Marines, 10 members of the Navy, and 4 members…

Q: A private pilot wishes to insure his airplane for $200,000. The insurance company estimates that a…

A: The pilot wants to insure his airplane for $200,000.

Q: 3.158 If Y is a random variable with moment-generating function m(t) and if W is given by W = aY +…

A:

Q: The "Pita Patrol" offers these choices for each sandwich: white or whole wheat pitas 3 types of…

A: For each sandwich, the "Pita Patrol" gives the following options: whole wheat or white pitas 3…

Q: Describe an interactive activity using probability of independent events. What makes it independent…

A: Interactive activity: Double coin tossGiven:You have two coins: one regular fair coin with one side…

Q: A study showed that 24% of all firms in Country A are owned by women. You are phoning local…

A: n = 3, p = 24% = 0.24Let X be the number of all firms in Country A are owned by women.p be the…

Q: (a) To log on to a certain computer account, the user must type in a  4 -letter password. In such a…

A: a)The number of letters password that user must type = 4As given,No letters may be repeated.Only the…

Q: Suppose that 30% of all students who have to buy a text for a particular course want a new copy (the…

A: 30% of all students who have to buy a text for a particular course want a new copy.Whereas 70% want…

Q: Studies have shown that 30% of women use sunscreen regularly on their face and other exposed skin…

A: 30% women use sunscreen, p = 0.30 q = 1 - p = 1 - 0.30 = 0.70 Sample of 12 women , n = 12 Binomial…

Q: If one student is chosen at random from those who took the test, Find the probability that the…

A: It is given that the grades and gender of a group of students is given in the table.

Q: 78% of all Americans live in cities with population greater than 100,000 people. If 33 Americans are…

A: n=33, p=78%

Q: An ice cream parlor serves 10 flavors of ice cream. Carrie and Jimmy each randomly and independently…

A: The indicator of an event A is a random variable that takes the value 1 if event occurs and takes…

Q: Consider X ∼ Unif(0, 1), and find the distribution of Y = 1/X.

A: X~U(0,1)

Q: A realtor uses a lock box to store the keys to a house that is for sale. The access code for the…

A: The access code for the lock box consists of five digits.The first digit cannot be 2 and the last…

Q: Bad gums may mean a bad heart. Researchers discovered that 82% of people who have suffered a heart…

A: A.It is given that, 82% of people who have suffered a heart attack have periodontal disease, and…

Q: Christopher and Jade each have a bouquet of flowers (the two bouquets are distinguishable).…

A: Total flowers = 9 Rose = 4 Tulip = 5 Sample space : Ω = {RR, RT, TR, TT } Christopher picked the…

Q: The following two problems will refer to a standard deck of cards. Each card in such a deck hasa…

A: The following two problems will refer to a standard deck of cards. Each card in such a deck hasa…

Q: Forest Fires and Acres Burned Numbers (in thousands) of forest fires over the year and the number…

A: The regression equation is,Y=-45.7950 + 1.34704 X. r= 0.858. xy573045157262694258194726

Q: Assume the number of apps is normally distributed with mean 85 and standard deviation 25 . Part: 0 /…

A: Assume the number of apps is normally distributed with mean 85 and standard deviation 25.

Q: Pupils Per Teacher The average number of pupils per teacher in certain states is shown in the…

A: Given information: Class limitsfrequency08--11212--151116-191620-231224-272Total43

Q: Suppose a company needs temporary passwords for the trial of a new time management software. Each…

A: The password will have two letters followed by two digits.

Q: Q 2.3. There is a pair of magic dice. When they are rolled together, then half the time, they behave…

A: To find the expected value of the product of the two values on the top of each die when the pair of…

Q: You need to hire some new employees to staff your startup venture. You know that potential employees…

A: Here the given table is:-Employee value probability $…

Q: Choosing officers: A committee consists of twelve women and eleven men. Five committee members will…

A: Committee consists  : 12 women and 11 men Total = 12 + 11 = 23 membersFive committee members will be…

Q: 23. The average number of available jobs for registered nurses is 103,900. If this distribution is…

A: It is given that Mean = 103900Standard deviation = 8040

Q: et X denote the amount of time a book on two-hour reserve is actually checked out, and suppose the…

A: We have given the following the cdf

Q: If you roll a fair 8-sided die 5 times, what is the probability that a 3 is rolled at least twice?…

A: n = 5, p=18=0.125Let X be the number of 3.p be the probability of 3.X~Bino(n=5, p=0.125)

Q: At the restaurant i 23 Σ π, they have 19 soup, 12 appetizer, 9 salad, 5 entree, and 18 dessert…

A: Total number of soups in the restaurant = 19Total number of appetizers in the restaurant = 12Total…

Q: The following decision table organizes a decision that Gregory Davis needs to make regarding his…

A: To select the correct decision tree, we need to consider some things:The square box is called…

Q: QwikStore has kept their daily sales records on their 20 oz. "Awesome Drink" across the last 400…

A: Frequency distribution table Number of sold "Awesome Drinks"Number of…

Q: Instruction: There are situations listed below. You should identify what sampling design is used on…

A: The sampling design used in this case is stratified multi-stage cluster sampling.Region IV, which is…

Q: World Military Expenditure The following chart shows total military and arms trade expenditure from…

A: a)  above equation is a quadratic function and its graph is a parabola. The coefficient a determines…

Q: TREKLAIR bulbs have an average lifespan of 800 hours with a variance of 1,600 hours2 .This duration…

A: Mean() = 800Variance () = 1600Standard deviation() = = 40X~N(

Q: An urn contains four white balls and six black balls. The random experiment consists of drawing…

A: 4 white ball+ 6 black ball =10 ball

Q: Compute the probability that a five-card poker hand is dealt to you that contains all hearts.

A: In a standard deck have  playing cards.& there are hearts in a deck.We have to choose  cards…

Q: X~N(0,1), Y~N(1,4), X and Y are independent of each other, then 2X+3Y+3 ~ ( )

A: X~N(0,1) and Y~N(1,4)

Q: The distribution of hourly wages of employees of the TNON company obeys a normal law whose average…

A: The distribution of hourly wages of employees of the TNON company obeys a normal law the average…

Q: Question 3 A mail-order computer business has five telephone lines. Let X denote the number of lines…

A: x012345P(x)0.100.150.200.250.220.08

Q: I've got 2 questions, hope that's okay they're only short ones 1. when mining copper, the amount…

A: Given that mining copper, C~N(460, 140) and mining nickel N~N(180, 30).Cor(C, N) = 0.4Mean and SD of…

Q: In a kennel where we keep 40 dogs, we know that 10 are not vaccinated. If we choose at random and…

A: No.of vaccinated dogs=30No.of non vaccinated dogs=10Total no.of dogs=40

Q: Compute the probability that a five-card poker hand is dealt to you that contains all hearts.…

A: It is required to find the probability that a five-card poker hand contains all hearts.

Q: Seed are often treated with fungicides to protect them in poor draining, wet environments. A…

A: Total number of seeds=105=treated seeds5=untreated seeds

Q: Derive the CDF of a Geometric Random Variable

A: A geometric random variable X represents the number of Bernoulli trials needed for a success to…

Q: A large fast-food restaurant is having a promotional game where game pieces can be found on various…

A: Given information:The probability of winning prize with any eligible purchase is 0.108.Consider your…